A softball with a mass of 0.11 kg goes moves at a speed of 12 m/s, then the ball is hit by a bat and rebounds in the opposite direction at a speed of 15 m/s. What is the change in momentum of the ball?

A woman is riding a Jet Ski at a speed of 26 m/s and notices a seawall straight ahead. The farthest she can lean the craft in order to make a turn is 220. This situation is like that of a car on a curve that is banked at an angle of 220.

A man pulls on his dog leash to keep him from running after bicycle which term best describes this example? A) negative work B) positive work C) negative work D) positive force

What type of friction acts when a snooker ball is moving on a pool table. a) Static friction b) Sliding friction c) Rolling friction d) None of these

An electromagnet produces a magnetic field of 0.500 T in a cylindrical region of radius 2.0 cm between its poles. A straight wire carrying a current of 10.

Why does alternating current change direction 50 to 60 times per second?

How does the idea of rotating disk in the nebular model explain certain observed celestial phenomena?

If a small child were to release a balloon into the atmosphere, what would happen to the size of the balloon as it makes it way higher in the sky?

Is a aluminum pie plate an element

The age of the solar system can be established by radioactive dating of

What changes in the original atom are expected as a result of this natural phenomenon